On 22/01/2015 15:14, David wrote:
Is that to say the closer the spacing the closer to the break out voltage to that of a solid toroid?Surely. But even if the tubes touch they form a surface with greater radius of curvature than a smooth toroid, so the breakdown voltage is always smaller.
See this discussion some years ago: http://www.pupman.com/listarchives/2010/Jul/msg00005.html Antonio Carlos M. de Queiroz _______________________________________________ Tesla mailing list Tesla@xxxxxxxxxx http://www.pupman.com/mailman/listinfo/tesla